| Adams County properties associated with the Battle of Gettysburg MPS (2) |
| African American Churches and Cemeteries in Pennsylvania, c. 1644 - c. 1970 MPS (5) |
| African American Churches of Philadelphia 1787-1949 MPS (1) |
| Agricultural Resources of Pennsylvania c1700-1960 MPS (9) |
| Agricultural Resources of Pennsylvania MPS (2) |
| Allegheny County Owned River Bridges TR (6) |
| Allegheny Portage Railroad MPS (1) |
| Allegheny River Navigation System MPS (8) |
| Aluminum Industry Resources of Southwestern Pennsylvania MPS (5) |
| Anthracite-Related Resources of Northeastern Pennsylvania MPS (2) |
| Bedford County Covered Bridges TR (12) |
| Berks County Covered Bridges TR (5) |
| Bituminous Coal and Coke Resources of Pennsylvania MPS (10) |
| Civil War Era National Cemeteries MPS (1) |
| Covered Bridges of Adams, Cumberland, and Perry Counties TR (16) |
| Covered Bridges of Bradford, Sullivan and Lycoming Counties TR (7) |
| Covered Bridges of Chester County TR (10) |
| Covered Bridges of Columbia and Montour Counties TR (24) |
| Covered Bridges of Erie County TR (3) |
| Covered Bridges of Indiana County TR (4) |
| Covered Bridges of Juniata and Synder Counties TR (8) |
| Covered Bridges of Lancaster County TR (25) |
| Covered Bridges of Northumberland County TR (7) |
| Covered Bridges of Somerset County TR (10) |
| Covered Bridges of the Delaware River Watershed TR (20) |
| Covered Bridges of Washington and Greene Counties TR (34) |
| East Fallowfield Township MRA (16) |
| Educational Resources of Pennsylvania MPS (20) |
| Emergency Conservation Work (ECW) Architecture in Pennsylvania State Parks: 1933-1942, TR (28) |
| Farms in Berks County MPS (10) |
| Four Public Squares of Philadelphia TR (4) |
| Greensboro-New Geneva MPS (11) |
| Gristmills in Berks County MPS (26) |
| Highway Bridges Owned by the Commonwealth of Pennsylvania, Department of Transportation TR (126) |
| Historic Farming Resources of Lancaster County MPS (8) |
| Industrial Resources of Huntingdon County, 1780-1939 MPS (26) |
| Iron and Steel Resources of Pennsylvania MPS (26) |
| Lawrence County Covered Bridges TR (2) |
| Lincoln Highway Heritage Corridor Historic Resources: Franklin to Westmoreland Counties MPS (4) |
| National Road in Pennsylvania MPS (18) |
| New Hope MRA (6) |
| Oil Industry Resources in Western Pennsylvania MPS (7) |
| Pennsylvania National Guard Armories MPS (52) |
| Pennsylvania Railroad Rolling Stock TR (25) |
| Philadelphia Public Schools TR (158) |
| Pittsburgh Public Schools TR (50) |
| Public Schools in Philadelphia, Pennsylvania, 1938-ca.1980 MPS (2) |
| Railroad Resources of York County MPS (16) |
| Strasburg Road TR;East Fallowfield Township MRA (11) |
| Textile Industry in the Kensington Neighborhood of Philadelphia, Pennsylvania MPS (5) |
| Tobacco Buildings in Lancaster City MPS (20) |
| Union County Covered Bridges TR (4) |
| Upper Delaware Valley, New York and Pennsylvania MPS (7) |
| U.S. Coast Guard Lighthouses and Light Stations on the Great Lakes TR (1) |
| West Branch Brandywine Creek MRA (24) |
| West Whiteland Township MRA (49) |
| Whiskey Rebellion Resources in Southwestern Pennsylvania MPS (8) |
